Description

Onyx is a side scrolling shoot em up game coded in 68000 machine code in which the player controls a spaceship.

The game scrolls from right to left and as the game progress the enemies travels faster and faster. The enemies comes in groups and once a group has been eliminated a fuel bonus appears at the position of the last enemy, this bonus has to be collected before it lands on the ground where it becomes inaccessible. The game ends when the player runs out of fuel.